Automated Sampler (IMAGE) American Society of Agronomy Caption The inside of the automated sampler on Four Mile Creek, with the carousel of bottles used to collect water samples. The PVC pipe to the left houses a pressure transducer connected to a data logger and records the stage (height) of the stream water every ten minutes for a continuous record of stream flow. Credit Carrie Ann Sharitt Usage Restrictions Please use with story only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.